_enough
return _enough(conf, 0, ignore) &&
_enough(conf, 1, ignore);
if (rdev->saved_raid_disk < 0 && !_enough(conf, 1, -1))
if (!_enough(conf, test_bit(R10BIO_Previous, &r10_bio->state),
static int _enough(struct r10conf *conf, int previous, int ignore);